Lenovo E420s User guide

UserGuide

ThinkPadEdgeE420s

Notes:Beforeusingthisinformationandtheproductitsupports,besuretoreadthefollowing:

•SafetyandWarrantyGuide

•RegulatoryNotice

•“Importantsafetyinformation”onpagevi

•AppendixC“Notices”onpage167

TheSafetyandWarrantyGuideandtheRegulatoryNoticehavebeenuploadedtotheWebsite.Toreferto

them,gotohttp://www.lenovo.com/support,andthenclickUserGuides&Manuals.

FirstEdition(March2011)

©CopyrightLenovo2011.

LENOVOproducts,data,computersoftware,andserviceshavebeendevelopedexclusivelyatprivateexpenseandare

soldtogovernmentalentitiesascommercialitemsasdenedby48C.F.R.2.101withlimitedandrestrictedrightsto

use,reproductionanddisclosure.

LIMITEDANDRESTRICTEDRIGHTSNOTICE:Ifproducts,data,computersoftware,orservicesaredeliveredpursuant

aGeneralServicesAdministration“GSA”contract,use,reproduction,ordisclosureissubjecttorestrictionssetforth

inContractNo.GS-35F-05925.

Contents

Readthisrst..............v

Importantsafetyinformation..........vi

Conditionsthatrequireimmediateaction..vii

Safetyguidelines............vii

Chapter1.ProductOverview......1

Locatingcomputercontrols,connectors,and

indicators..................1

Frontview................2

Right-sideview..............4

Left-sideview..............6

Bottomview...............7

Rearview................8

Statusindicators.............9

Locatingimportantproductinformation.....11

Machinetypeandmodellabel.......12

FCCIDandICCerticationnumberlabel..12

CerticateofAuthenticitylabel......13

Features.................14

Specications...............15

Operatingenvironment...........15

ThinkVantagetechnologiesandsoftware....16

AccessingapplicationsinWindows7....17

AccessConnections..........18

ActiveProtectionSystem.........18

FingerprintSoftware...........18

LenovoThinkVantageTools........19

LenovoThinkVantageToolbox.......19

MessageCenterPlus..........19

PasswordManager...........19

PowerManager............20

ProductRecovery...........20

PresentationDirector..........20

RescueandRecovery..........20

SystemUpdate............20

ThinkVantageGPS...........21

Chapter2.Usingyourcomputer...23

Registeringyourcomputer..........23

Frequentlyaskedquestions.........23

Specialkeysandbuttons..........25

Volumeandmutebuttons........25

Functionkeycombinations........26

WindowskeyandApplicationkey.....28

UsingtheUltraNavpointingdevice.......29

UsingtheTrackPointpointingdevice....30

Usingthetouchpad...........31

BehavioroftheUltraNavandanexternal

mouse................32

AddingtheUltraNavicontothesystemtray.32

Powermanagement............33

Checkingbatterystatus.........33

Usingtheacpoweradapter........33

Chargingthebattery..........34

Maximizingbatterylife..........34

Power-savingmodes..........34

Handlingthebattery...........36

Connectingtothenetwork..........37

Ethernetconnections..........37

Wirelessconnections..........37

Usingaprojectororexternaldisplay......45

Changingdisplaysettings........45

Attachinganexternalmonitor.......45

Settingupapresentation.........48

Usingacolorprole...........48

Usingaudiofeatures..........48

Usinganintegratedcamera........49

Usingdualdisplays...........50

UsingtheAMDPX4.0DynamicSwitchable

Graphicsfeature..............51

UsingtheThinkLightfeature.........52

Usingtheopticaldrive...........52

Usingthemediacardreader.........52

Chapter3.Youandyourcomputer..53

Accessibilityandcomfort..........53

Ergonomicinformation..........53

Adjustingyourcomputertotyou.....54

Accessibilityinformation.........55

Travelingwithyourcomputer.........55

Traveltips...............56

Travelaccessories...........56

Chapter4.Security..........57

Attachingamechanicallock.........57

Usingpasswords..............57

Passwordsandsleep(standby)mode....58

Power-onpassword...........58

Harddiskpasswords..........59

Supervisorpassword..........61

Harddisksecurity.............63

Usingangerprintreader..........63

Noticeondeletingdatafromyourharddiskdrive

orsolidstatedrive.............65

©CopyrightLenovo2011

i

Usingandunderstandingrewalls.......66

Protectingdataagainstviruses........66

Chapter5.Recoveryoverview....69

Creatingandusingrecoverymedia......69

Creatingrecoverymedia.........70

Usingrecoverymedia..........70

Performingbackupandrecoveryoperations...71

Performingabackupoperation......71

Performingarecoveryoperation......71

UsingtheRescueandRecoveryworkspace...72

Creatingandusingarescuemedium......73

Creatingarescuemedium........73

Usingarescuemedium.........73

Reinstallingpreinstalledapplicationsanddevice

drivers..................74

Solvingrecoveryproblems..........75

Chapter6.Replacingdevices....77

Staticelectricityprevention..........77

BeforereplacingCRU............77

Replacingthesolidstatedriveorharddiskdrive.78

Replacingthekeyboard...........80

Replacingmemory.............84

InstallingandreplacingthemSATAsolidstate

drive...................86

InstallingandreplacingthePCIExpressMiniCard

forwirelessLAN/WiMAXconnection......88

InstallingandreplacingthePCIExpressMiniCard

forwirelessWANconnection.........91

ReplacingtheSIMcard...........93

Chapter7.Enhancingyour

computer...............97

FindingThinkPadoptions..........97

Usingaashmediacard...........97

Chapter8.Advancedconguration.99

Installinganewoperatingsystem.......99

Beforeyoubegin............99

InstallingWindows7..........100

InstallingWindowsXP..........101

Installingdevicedrivers...........103

InstallingThinkPadMonitorFileforWindows

2000/XP/Vista/7............103

InstallingIntelChipsetSupportforWindows

2000/XP/Vista/7............104

Installingdriversandsoftware.......104

ThinkPadSetup..............105

Congmenu..............106

Dateandtimemenu...........106

Securitymenu.............106

Startupmenu.............107

Restartmenu.............109

ThinkPadSetupitems..........109

UpdatingyoursystemUEFIBIOS.....116

Usingsystemmanagement..........117

Systemmanagement..........117

Settingmanagementfeatures.......117

Chapter9.Preventingproblems..119

Generaltipsforpreventingproblems......119

Makingsuredevicedriversarecurrent.....120

GettingthelatestdriversfromtheWebsite..120

GettingthelatestdriversusingSystem

Update................120

Takingcareofyourcomputer.........121

Cleaningthecoverofyourcomputer....122

Chapter10.Troubleshooting

computerproblems.........125

Diagnosingprograms............125

UsingLenovoThinkVantageToolbox....125

Troubleshooting..............125

Computerstopsresponding.......125

Spillsonthekeyboard..........126

Errormessages............126

Errorswithoutmessages.........128

Beeperrors..............129

Memoryproblems...........129

Networking..............130

Keyboardandotherpointingdevices....134

Displayandmultimediadevices......135

Fingerprintreaderproblems........142

Batteryandpower...........143

Drivesandotherstoragedevices.....146

Softwareproblems...........148

Portsandconnectors..........148

UniversalSerialBusproblems.......148

Chapter11.Gettingsupport....151

BeforeyoucontactLenovo..........151

Registeryourcomputer.........151

Downloadsystemupdates........151

Recordinformation...........151

Gettinghelpandservice...........152

Usingdiagnosticprograms........152

LenovoSupportWebsite.........152

CallingLenovo.............152

Purchasingadditionalservices........157

AppendixA.Regulatory

information.............159

iiUserGuide

Wirelessrelatedinformation.........159

LocationoftheUltraConnectwireless

antennas...............160

Locatingwirelessregulatorynotices....161

Exportclassicationnotice..........162

Electronicemissionnotices..........162

FederalCommunicationsCommission

DeclarationofConformity........162

IndustryCanadaClassBemissioncompliance

statement...............162

EuropeanUnion-Compliancetothe

ElectromagneticCompatibilityDirective...163

GermanClassBcompliancestatement...163

KoreaClassBcompliancestatement....163

JapaneseVCCIClassBstatement.....164

Japancompliancestatementforproducts

whichconnecttothepowermainswith

ratedcurrentlessthanorequalto20Aper

phase................164

Lenovoproductserviceinformationfor

Taiwan................164

Additionalregulatoryinformation.......164

AppendixB.WEEEandrecycling

statements.............165

EUWEEEstatements............165

Japanrecyclingstatements.........165

AppendixC.Notices........167

Trademarks................168

©CopyrightLenovo2011

iii

ivUserGuide

Readthisrst

Besuretofollowtheimportanttipsgivenheretocontinuetogetthemostuseandenjoymentoutofyour

computer.Failuretodosomightleadtodiscomfortorinjury,orcauseyourcomputertofail.

Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalm

rest,andsomeotherpartsmaybecomehot.Thetemperaturetheyreach

dependsontheamountofsystemactivityandthelevelofchargeinthebattery.

Extendedcontactwithyourbody,eventhroughclothing,couldcause

discomfortorevenaskinburn.

•Avoidkeepingyourhands,yourlap,oranyotherpartofyourbodyin

contactwithahotsectionofthecomputerforanyextendedtime.

•Periodicallytakehandsfromusingthekeyboardbyliftingyourhandsfrom

thepalmrest.

Protectyourselffromtheheatgeneratedbytheacpoweradapter.

Whentheacpoweradapterisconnectedtoanelectricaloutletandyour

computer,itgeneratesheat.

Extendedcontactwithyourbody,eventhroughclothing,maycauseaskin

burn.

•Toavoidspillsandthedangerofelectricalshock,keepliquidsawayfrom

yourcomputer.

•Neveruseittowarmyourbody.

Preventyourcomputerfromgettingwet.

•Toavoidspillsandthedangerofelectricalshock,keepliquidsawayfrom

yourcomputer.

Protectthecablesfrombeingdamaged.

Applyingstrongforcetocablesmaydamageorbreakthem.

•Routecommunicationlines,orthecablesofanacpoweradapter,amouse,a

keyboard,aprinter,oranyotherelectronicdevice,sothattheycannotbe

walkedon,trippedover,pinchedbyyourcomputerorotherobjects,orin

anywaysubjectedtotreatmentthatcouldinterferewiththeoperationof

yourcomputer.

©CopyrightLenovo2011

v

Protectyourcomputeranddatawhenmovingit.

Beforemovingacomputerequippedwithaharddiskdrive,dooneofthe

following,andmakesurethatthepowerswitchisofforisblinking:

•Turnitoff.

•Putitinsleep(standby)mode

•Putitinhibernationmode.

Thiswillhelptopreventdamagetothecomputer,andpossiblelossofdata.

Handleyourcomputergently.

•Donotdrop,bump,scratch,twist,hit,vibrate,push,orplaceheavyobjectson

yourcomputer,display,orexternaldevices.

Carryyourcomputercarefully.

•Useaqualitycarryingcasethatprovidesadequatecushioningandprotection.

•Donotpackyourcomputerinatightlypackedsuitcaseorbag.

•Beforeputtingyourcomputerinacarryingcase,makesurethatitisoff.Donot

putacomputerinacarryingcasewhileitisturnedon.

Importantsafetyinformation

Note:Readimportantsafetyinformationrst.

Thisinformationcanhelpyousafelyuseyournotebookpersonalcomputer.Followandretainallinformation

includedwithyourcomputer.Theinformationinthisdocumentdoesnotalterthetermsofyourpurchase

agreementortheLenovo

®

LimitedWarranty.Formoreinformation,see“WarrantyInformation”intheSafety

andWarrantyGuidethatcomeswithyourcomputer.

Customersafetyisimportant.Ourproductsaredevelopedtobesafeandeffective.However,personal

computersareelectronicdevices.Powercords,poweradapters,andotherfeaturescancreatepotential

safetyrisksthatcanresultinphysicalinjuryorpropertydamage,especiallyifmisused.Toreducethese

risks,followtheinstructionsincludedwithyourproduct,observeallwarningsontheproductandinthe

operatinginstructions,andreviewtheinformationincludedinthisdocumentcarefully.Bycarefullyfollowing

theinformationcontainedinthisdocumentandprovidedwithyourproduct,youcanhelpprotectyourself

fromhazardsandcreateasafercomputerworkenvironment.

Note:Thisinformationincludesreferencestopoweradaptersandbatteries.Inadditiontonotebook

computers,someproducts(suchasspeakersandmonitors)shipwithexternalpoweradapters.Ifyouhave

suchaproduct,thisinformationappliestoyourproduct.Inaddition,computerproductscontainacoin-sized

internalbatterythatprovidespowertothesystemclockevenwhenthecomputerisunplugged,sothe

batterysafetyinformationappliestoallcomputerproducts.

viUserGuide

Conditionsthatrequireimmediateaction

Productscanbecomedamagedduetomisuseorneglect.Someproductdamageisseriousenough

thattheproductshouldnotbeusedagainuntilithasbeeninspectedand,ifnecessary,repairedby

anauthorizedservicer.

Aswithanyelectronicdevice,paycloseattentiontotheproductwhenitisturnedon.Onveryrare

occasions,youmightnoticeanodororseeapuffofsmokeorsparksventfromyourproduct.Oryou

mighthearsoundslikepopping,crackingorhissing.Theseconditionsmightmerelymeanthatan

internalelectroniccomponenthasfailedinasafeandcontrolledmanner.Or,theymightindicate

apotentialsafetyissue.However,donottakerisksorattempttodiagnosethesituationyourself.

ContacttheCustomerSupportCenterforfurtherguidance.ForalistofServiceandSupportphone

numbers,seethefollowingWebsite:

http://www.lenovo.com/support/phone

Frequentlyinspectyourcomputeranditscomponentsfordamageorwearorsignsofdanger.Ifyou

haveanyquestionabouttheconditionofacomponent,donotusetheproduct.ContacttheCustomer

SupportCenterortheproductmanufacturerforinstructionsonhowtoinspecttheproductand

haveitrepaired,ifnecessary.

Intheunlikelyeventthatyounoticeanyofthefollowingconditions,orifyouhaveanysafetyconcerns

withyourproduct,stopusingtheproductandunplugitfromthepowersourceandtelecommunication

linesuntilyoucanspeaktotheCustomerSupportCenterforfurtherguidance.

•Powercords,plugs,poweradapters,extensioncords,surgeprotectors,orpowersuppliesthatare

cracked,broken,ordamaged.

•Signsofoverheating,smoke,sparks,orre.

•Damagetoabattery(suchascracks,dents,orcreases),dischargefromabattery,orabuildupofforeign

substancesonthebattery.

•Acracking,hissingorpoppingsound,orstrongodorthatcomesfromtheproduct.

•Signsthatliquidhasbeenspilledoranobjecthasfallenontothecomputerproduct,thepowercordor

poweradapter.

•Thecomputerproduct,powercord,orpoweradapterhasbeenexposedtowater.

•Theproducthasbeendroppedordamagedinanyway.

•Theproductdoesnotoperatenormallywhenyoufollowtheoperatinginstructions.

Note:Ifyounoticetheseconditionswithaproduct(suchasanextensioncord)thatisnotmanufacturedfor

orbyLenovo,stopusingthatproductuntilyoucancontacttheproductmanufacturerforfurtherinstructions,

oruntilyougetasuitablereplacement.

Safetyguidelines

Alwaysobservethefollowingprecautionstoreducetheriskofinjuryandpropertydamage.

Formoreinformation,see“WarrantyInformation”intheSafetyandWarrantyGuidethatcomeswithyour

computer.

Serviceandupgrades

DonotattempttoserviceaproductyourselfunlessinstructedtodosobytheCustomerSupportCenteror

yourdocumentation.OnlyuseaServiceProviderwhoisapprovedtorepairyourparticularproduct.

©CopyrightLenovo2011

vii

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.Upgradestypicallyare

referredtoasoptions.ReplacementpartsapprovedforcustomerinstallationarereferredtoasCustomer

ReplaceableUnits,orCRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriatefor

customerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowallinstructionswheninstallingor

replacingparts.TheOffstateofapowerindicatordoesnotnecessarilymeanthatvoltagelevelsinsidea

productarezero.Beforeyouremovethecoversfromaproductequippedwithapowercord,alwaysmake

surethatthepoweristurnedoffandthattheproductisunpluggedfromanypowersource.Formore

informationonCRUs,refertoReplacingdevicesforthisproduct.Ifyouhaveanyquestionsorconcerns,

contacttheCustomerSupportCenter.

Althoughtherearenomovingpartsinyourcomputerafterthepowercordhasbeendisconnected,the

followingwarningsarerequiredforyoursafety.

DANGER

Hazardousmovingparts.Keepngersandotherbodypartsaway.

CAUTION:

BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetoveminutestoletthecomputer

coolbeforeopeningthecover.

viiiUserGuide

Powercordsandpoweradapters

DANGER

Useonlythepowercordsandpoweradapterssuppliedbytheproductmanufacturer.

Thepowercordsshallbesafetyapproved.ForGermany,itshallbeH05VV-F,3G,0.75mm

2

,or

better.Forothercountries,thesuitabletypesshallbeusedaccordingly.

Neverwrapapowercordaroundapoweradapterorotherobject.Doingsocanstressthecordin

waysthatcancausethecordtofray,crack,orcrimp.Thiscanpresentasafetyhazard.

Alwaysroutepowercordssothattheywillnotbewalkedon,trippedover,orpinchedbyobjects.

Protectpowercordandpoweradaptersfromliquids.Forinstance,donotleaveyourpowercordor

poweradapternearsinks,tubs,toilets,oronoorsthatarecleanedwithliquidcleansers.Liquids

cancauseashortcircuit,particularlyifthepowercordorpoweradapterhasbeenstressedby

misuse.Liquidsalsocancausegradualcorrosionofpowercordterminalsand/ortheconnector

terminalsonapoweradapter,whichcaneventuallyresultinoverheating.

Alwaysconnectpowercordsandsignalcablesinthecorrectorderandensurethatallpowercord

connectorsaresecurelyandcompletelypluggedintoreceptacles.

DonotuseanypoweradapterthatshowscorrosionattheACinputpinsorshowssignsof

overheating(suchasdeformedplastic)attheACinputoranywhereonthepoweradapter.

Donotuseanypowercordswheretheelectricalcontactsoneitherendshowsignsofcorrosionor

overheatingorwherethepowercordappearstohavebeendamagedinanyway.

Extensioncordsandrelateddevices

Ensurethatextensioncords,surgeprotectors,uninterruptiblepowersupplies,andpowerstripsthatyouuse

areratedtohandletheelectricalrequirementsoftheproduct.Neveroverloadthesedevices.Ifpowerstrips

areused,theloadshouldnotexceedthepowerstripinputrating.Consultanelectricianformoreinformation

ifyouhavequestionsaboutpowerloads,powerrequirements,andinputratings.

©CopyrightLenovo2011

ix

Plugsandoutlets

DANGER

Ifareceptacle(poweroutlet)thatyouintendtousewithyourcomputerequipmentappearstobe

damagedorcorroded,donotusetheoutletuntilitisreplacedbyaqualiedelectrician.

Donotbendormodifytheplug.Iftheplugisdamaged,contactthemanufacturertoobtain

areplacement.

Donotshareanelectricaloutletwithotherhomeorcommercialappliancesthatdrawlargeamounts

ofelectricity;otherwise,unstablevoltagemightdamageyourcomputer,data,orattacheddevices.

Someproductsareequippedwithathree-prongedplug.Thisplugtsonlyintoagrounded

electricaloutlet.Thisisasafetyfeature.Donotdefeatthissafetyfeaturebytryingtoinsertitinto

anon-groundedoutlet.Ifyoucannotinserttheplugintotheoutlet,contactanelectricianforan

approvedoutletadapterortoreplacetheoutletwithonethatenablesthissafetyfeature.Never

overloadanelectricaloutlet.Theoverallsystemloadshouldnotexceed80percentofthebranch

circuitrating.Consultanelectricianformoreinformationifyouhavequestionsaboutpowerloads

andbranchcircuitratings.

Besurethatthepoweroutletyouareusingisproperlywired,easilyaccessible,andlocatedclose

totheequipment.Donotfullyextendpowercordsinawaythatwillstressthecords.

Besurethatthepoweroutletprovidesthecorrectvoltageandcurrentfortheproductyouare

installing.

Carefullyconnectanddisconnecttheequipmentfromtheelectricaloutlet.

Powersupplystatement

DANGER

Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.

Hazardousvoltage,current,andenergylevelsarepresentinsideanycomponentthathasthislabel

attached.Therearenoserviceablepartsinsidethesecomponents.Ifyoususpectaproblemwith

oneoftheseparts,contactaservicetechnician.

Externaldevices

CAUTION:

DonotconnectordisconnectanyexternaldevicecablesotherthanUniversalSerialBus(USB)

cableswhilethecomputerpowerison;otherwise,youmightdamageyourcomputer.Toavoid

possibledamagetoattacheddevices,waitatleastvesecondsafterthecomputerisshutdownto

disconnectexternaldevices.

xUserGuide

Batteries

DANGER

PersonalcomputersmanufacturedbyLenovocontainacoincellbatterytoprovidepowerto

thesystemclock.Inaddition,manymobileproducts,suchasnotebookcomputers,utilizea

rechargeablebatterypacktoprovidesystempowerwheninportablemode.Batteriessuppliedby

Lenovoforusewithyourproducthavebeentestedforcompatibilityandshouldonlybereplaced

withapprovedparts.

ThissystemdoesnotsupportbatteriesthatarenotgenuineLenovo-madeorauthorized.The

systemwillcontinuetoboot,butmaynotchargeunauthorizedbatteries.Attention:Lenovohasno

responsibilityfortheperformanceorsafetyofunauthorizedbatteries,andprovidesnowarranties

forfailuresordamagearisingoutoftheiruse.

Neverattempttoopenorserviceanybattery.Donotcrush,puncture,orincineratebatteriesor

shortcircuitthemetalcontacts.Donotexposethebatterytowaterorotherliquids.Onlyrecharge

thebatterypackstrictlyaccordingtoinstructionsincludedintheproductdocumentation.

Batteryabuseormishandlingcancausethebatterytooverheat,whichcancausegassesorame

to“vent”fromthebatterypackorcoincell.Ifyourbatteryisdamaged,orifyounoticeany

dischargefromyourbatteryorthebuildupofforeignmaterialsonthebatteryleads,stopusingthe

batteryandobtainareplacementfromthebatterymanufacturer.

Batteriescandegradewhentheyareleftunusedforlongperiodsoftime.Forsomerechargeable

batteries(particularlyLithiumIonbatteries),leavingabatteryunusedinadischargedstatecould

increasetheriskofabatteryshortcircuit,whichcouldshortenthelifeofthebatteryandcanalso

poseasafetyhazard.DonotletrechargeableLithium-Ionbatteriescompletelydischargeorstore

thesebatteriesinadischargedstate.

©CopyrightLenovo2011

xi

Rechargeablebatterynotice

DANGER

Donotattempttodisassembleormodifythebatterypack.Attemptingtodosocancausean

explosion,orliquidleakagefromthebatterypack.Abatterypackotherthantheonespeciedby

Lenovo,oradisassembledormodiedbatterypackisnotcoveredbythewarranty.

Iftherechargeablebatterypackisincorrectlyreplaced,thereisdangerofanexplosion.Thebattery

packcontainsasmallamountofharmfulsubstances.Toavoidpossibleinjury:

•ReplaceonlywithabatteryofthetyperecommendedbyLenovo.

•Keepthebatterypackawayfromre.

•Donotexposeittowaterorrain.

•Donotattempttodisassembleit.

•Donotshort-circuitit.

•Keepitawayfromchildren.

•Donotdropthebatterypack.

Donotputthebatterypackintrashthatisdisposedofinlandlls.Whendisposingofthebattery,

complywithlocalordinancesorregulations.

Thebatterypackshouldbestoredatroomtemperature,chargedtoapproximately30to50%

ofcapacity.Werecommendthatbatterypackbechargedaboutonceperyeartoprevent

overdischarge.

Lithiumcoincellbatterynotice

DANGER

Dangerofexplosionifbatteryisincorrectlyreplaced.

Whenreplacingthelithiumcoincellbattery,useonlythesameoranequivalenttypethatis

recommendedbythemanufacturer.Thebatterycontainslithiumandcanexplodeifnotproperly

used,handled,ordisposedof.

Donot:

•Throworimmerseintowater

•Heattomorethan100°C(212°F)

•Repairordisassemble

Disposeofthebatteryasrequiredbylocalordinancesorregulations.

ThefollowingstatementappliestousersinthestateofCalifornia,U.S.A.

CaliforniaPerchlorateInformation:

ProductscontainingCR(manganesedioxide)lithiumcoincellbatteriesmaycontainperchlorate.

PerchlorateMaterial-specialhandlingmayapply.Goto:

http://www.dtsc.ca.gov/hazardouswaste/perchlorate

xiiUserGuide

Heatandproductventilation

DANGER

Computers,acpoweradapters,andmanyaccessoriescangenerateheatwhenturnedonandwhen

batteriesarecharging.Notebookcomputerscangenerateasignicantamountofheatduetotheir

compactsize.Alwaysfollowthesebasicprecautions:

•Whenyourcomputeristurnedonorthebatteryischarging,thebase,thepalmrest,andsome

otherpartsmaybecomehot.Avoidkeepingyourhands,yourlap,oranyotherpartofyour

bodyincontactwithahotsectionofthecomputerforanyextendedlengthoftime.Whenyou

usethekeyboard,avoidkeepingyourpalmsonthepalmrestforaprolongedperiodoftime.

Yourcomputergeneratessomeheatduringnormaloperation.Theamountofheatdependson

theamountofsystemactivityandthebatterychargelevel.Extendedcontactwithyourbody,

eventhroughclothing,couldcausediscomfortorevenaskinburn.Periodicallytakebreaks

fromusingthekeyboardbyliftingyourhandsfromthepalmrest;andbecarefulnottouse

thekeyboardforanyextendedlengthoftime.

•Donotoperateyourcomputerorchargethebatterynearammablematerialsorinexplosive

environments.

•Ventilationslots,fansand/orheatsinksareprovidedwiththeproductforsafety,comfort,and

reliableoperation.Thesefeaturesmightinadvertentlybecomeblockedbyplacingtheproducton

abed,sofa,carpet,orotherexiblesurface.Neverblock,cover,ordisablethesefeatures.

•Whentheacpoweradapterisconnectedtoanelectricaloutletandyourcomputer,itgenerates

heat.Donotplacetheadapterincontactwithanypartofyourbodywhileusingit.Neverusethe

acpoweradaptertowarmyourbody.Extendedcontactwithyourbody,eventhroughclothing,

maycauseaskinburn.

Foryoursafety,alwaysfollowthesebasicprecautionswithyourcomputer:

•Keepthecoverclosedwheneverthecomputerispluggedin.

•Regularlyinspecttheoutsideofthecomputerfordustaccumulation.

•Removedustfromventsandanyperforationsinthebezel.Morefrequentcleaningsmightbe

requiredforcomputersindustyorhigh-trafcareas.

•Donotrestrictorblockanyventilationopenings.

•Donotoperateyourcomputerinsidefurniture,asthismightincreasetheriskofoverheating.

•Airowtemperaturesintothecomputershouldnotexceed35°C(95°F).

xiii

Electricalcurrentsafetyinformation

DANGER

Electriccurrentfrompower,telephone,andcommunicationcablesishazardous.

Toavoidashockhazard:

•Donotuseyourcomputerduringalightningstorm.

•Donotconnectordisconnectanycablesorperforminstallation,maintenance,orreconguration

ofthisproductduringanelectricalstorm.

•Connectallpowercordstoaproperlywiredandgroundedelectricaloutlet.

•Connecttoproperlywiredoutletsanyequipmentthatwillbeattachedtothisproduct.

•Wheneverpossible,useonehandonlytoconnectordisconnectsignalcables.

•Neverturnonanyequipmentwhenthereisevidenceofre,water,orstructuraldamage.

•Disconnecttheattachedpowercords,batterypack,andallthecablesbeforeyouopenthe

devicecovers,unlessinstructedotherwiseintheinstallationandcongurationprocedures.

•Donotuseyoucomputeruntilallinternalpartsenclosuresarefastenedintoplace.Neveruse

thecomputerwheninternalpartsandcircuitsareexposed.

DANGER

Connectanddisconnectcablesasdescribedinthefollowingprocedureswheninstalling,moving,

oropeningcoversonthisproductorattacheddevices.

Toconnect:

1.TurneverythingOFF.

2.First,attachallcablestodevices.

3.Attachsignalcablestoconnectors.

4.Attachpowercordstooutlets.

5.TurndevicesON.

Todisconnect:

1.TurneverythingOFF.

2.First,removepowercordsfromoutlets.

3.Removesignalcablesfromconnectors.

4.Removeallcablesfromdevices.

Thepowercordmustbedisconnectedfromthewalloutletorreceptaclebeforeinstallingallother

electricalcablesconnectedtothecomputer.

Thepowercordmaybereconnectedtothewalloutletorreceptacleonlyafterallotherelectrical

cableshavebeenconnectedtothecomputer.

Lasercompliancestatement

CAUTION:

Whenlaserproducts(suchasCD-ROMs,DVDdrives,beropticdevices,ortransmitters)are

installed,notethefollowing:

•Donotremovethecovers.Removingthecoversofthelaserproductcouldresultinexposureto

hazardouslaserradiation.Therearenoserviceablepartsinsidethedevice.

•Useofcontrolsoradjustmentsorperformanceofproceduresotherthanthosespeciedherein

mightresultinhazardousradiationexposure.

xivUserGuide

DANGER

SomelaserproductscontainanembeddedClass3AorClass3Blaserdiode.Notethefollowing.

Laserradiationwhenopen.Donotstareintothebeam,donotviewdirectlywithoptical

instruments,andavoiddirectexposuretothebeam.

Liquidcrystaldisplay(LCD)notice

CAUTION:

TheLCDismadeofglass,androughhandlingordroppingthecomputercancausetheLCDtobreak.

IftheLCDbreaksandtheinternaluidgetsintoyoureyesoronyourhands,immediatelywashthe

affectedareaswithwaterforatleast15minutes;ifanysymptomsarepresentafterwashing,get

medicalcare.

Usingheadphonesorearphones

Ifyourcomputerhasbothaheadphoneconnectorandanaudio-outconnector,alwaysusetheheadphone

connectorforheadphones(alsocalledaheadset)orearphones.

CAUTION:

Excessivesoundpressurefromearphonesandheadphonescancausehearingloss.Adjustmentof

theequalizertomaximumincreasestheearphonesandheadphonesoutputvoltageandthereforethe

soundpressurelevel.

Excessiveuseofheadphonesorearphonesforalongperiodoftimeathighvolumecanbedangerousifthe

outputoftheheadphoneorearphoneconnectorsdonotcomplywithspecicationsofEN50332-2.The

headphoneoutputconnectorofyourcomputercomplieswithEN50332-2Subclause7.Thisspecication

limitsthecomputer’smaximumwidebandtrueRMSoutputvoltageto150mV.Tohelpprotectagainst

hearingloss,ensurethattheheadphonesorearphonesyouusealsocomplywithEN50332-2(Clause7

limits)forawidebandcharacteristicvoltageof75mV.UsingheadphonesthatdonotcomplywithEN

50332-2canbedangerousduetoexcessivesoundpressurelevels.

IfyourLenovocomputercamewithheadphonesorearphonesinthepackage,asaset,thecombinationof

theheadphonesorearphonesandthecomputeralreadycomplieswiththespecicationsofEN50332-1.

Ifdifferentheadphonesorearphonesareused,ensurethattheycomplywithEN50332-1(Clause6.5

LimitationValues).UsingheadphonesthatdonotcomplywithEN50332-1canbedangerousdueto

excessivesoundpressurelevels.

Additionalsafetyinformation

DANGER

Plasticbagscanbedangerous.Keepplasticbagsawayfrombabiesandchildrentoavoiddanger

ofsuffocation.

NoticeforTabletPCusers

SafetyNoticeforusersinAustralia:

DANGER

Donotconnectphonelinewhileusingtabletmode.

xv

NoticeforusersintheU.S.A.

ManyPCproductsandaccessoriescontaincords,cablesorwires,suchaspowercordsorcordstoconnect

theaccessorytoaPC.Ifthisproducthassuchacord,cableorwire,thenthefollowingwarningapplies:

WARNING

Handlingthecordonthisproductorcordsassociatedwithaccessoriessoldwiththisproductwillexpose

youtolead,achemicalknowntotheStateofCaliforniatocausecancer,andbirthdefectsorother

reproductiveharm.Washhandsafterhandling.

Savetheseinstructions.

xviUserGuide

Chapter1.ProductOverview

Thischapterprovidesinformationaboutthelocationsofconnectors,locatingimportantproductinformation,

computerfeatures,specications,operatingenvironment,andpreinstalledsoftwareprograms.

Thischaptercontainsthefollowingtopics:

•“Locatingcomputercontrols,connectors,andindicators”onpage1

•“Locatingimportantproductinformation”onpage11

•“Features”onpage14

•“Specications”onpage15

•“Operatingenvironment”onpage15

•“ThinkVantagetechnologiesandsoftware”onpage16

Locatingcomputercontrols,connectors,andindicators

Thissectionintroducesyoutothehardwarefeaturesofyourcomputer,andthengivesyouthebasic

informationyou'llneedtostarttakingadvantageofitsfunctions.

•“Frontview”onpage2

•“Right-sideview”onpage4

•“Left-sideview”onpage6

•“Rearview”onpage8

•“Bottomview”onpage7

•“Statusindicators”onpage9

1

Frontview

Figure1.ThinkPadEdgeE420sfrontview

1 UltraConnectwirelessantennas(left)

2 Built-inmicrophone

3 Integratedcamera 4 ThinkLight

5 UltraConnectantennas(right) 6 Built-instereospeaker(right)

7 Powerswitch 8 Memory-upgradeslot

9 Fingerprintreader

10 Systemandpower-statusindicators

11 TrackPointpointingstick 12 TrackPointbuttons

13 Touchpad

14 PCIExpressMiniCardslotforwirelessLAN/WiMAX

15 WWANcardslot 16 Volumecontrolbuttons

17 Built-instereospeaker(left)

1 UltraConnect™wirelessantennas(left)

5 UltraConnectwirelessantennas(right)

Thebuilt-inantennasforthewirelesscommunicationarelocatedatthetopleftandthetoprightportionsof

yourcomputerdisplay.

Forthespeciclocationsofeachantenna,referto“LocationoftheUltraConnectwirelessantennas”on

page160.

2 Built-inmicrophone

Thebuilt-inmicrophonecapturessoundandvoicewhenitisusedwithanapplicationprogramcapable

ofhandlingaudio.

2UserGuide

Lenovo E420s User guide

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